JP4043483B2 - Power connection device - Google Patents

Abstract

An apparatus is disclosed for connecting a power supply to an electronic device. The apparatus comprises a first case having an insertion opening and a plurality of terminal-receiving grooves extending outwardly from an inner circumference of the insertion opening. A second case is coupled to the first case to form a receiving space. A rotary member is rotatably inserted in the insertion opening and having slots formed on at least one surface to align with the terminal-receiving grooves of the first case when the rotary member is turned in a first direction in a predetermined angle. A plug terminal assembly installed in the rotary member. In a first state, the plug terminal assembly is positioned approximately vertically upward. In a second state, the plug terminal assembly collapses to an approximately horizontal position.

Description

  The present invention relates to a power supply connection device, and more particularly, to a power supply connection device with improved plug terminal folding and unfolding operation structures.

  Generally, a power connection device such as an adapter that converts a high voltage to a low voltage or a charger of a mobile communication terminal plays a role of connecting or charging a small cassette or a mobile communication terminal to a power supply unit. .

  An end portion of such a power supply coupling device is provided with a plug terminal inserted into the power supply unit.

  The power connection device is classified into a fixed type and a folding type depending on whether or not the plug terminal can be folded. Hereinafter, the folding type power supply connection device will be described.

  FIG. 9 is a perspective view showing a conventional power connection device, and FIG. 10 is a longitudinal sectional view showing the conventional power connection device.

  As shown in FIG. 9, the conventional power connection device 20 includes a case 21, a plug terminal 22 that is rotatably installed around the hinge portion 22 a on the front surface of the case 21, and the case 21. A circuit board 23 for converting a high voltage supplied from the plug terminal 22 to a low voltage, an output terminal 24 connected to the circuit board 23 so as to be energized, and drawn out of the case 21; It was composed including.

  A plug receiving groove 25 is formed in the case 21 at a certain depth so that the plug terminal 22 can be accommodated when the plug terminal 22 is folded. Reference symbol C denotes a power supply unit.

  However, in such a conventional power connection device, when the hinge portion of the plug terminal becomes loose due to long-term use, the plug terminal is turned randomly and warped. There was a problem that it was very inconvenient when plugged into the power supply.

  Accordingly, the present invention provides a power supply coupling apparatus that can easily be folded and unfolded for a plug terminal, is convenient for use, and can maintain the unfolded state of the plug terminal firmly to improve the reliability of the product. With the goal.

  In order to achieve such an object, in the power supply coupling device according to the first embodiment of the present invention, an insertion hole is formed in the middle, and a plurality of terminal receiving grooves are formed in the inner periphery of the insertion hole. A first case that is coupled to the first case to form an accommodating space therein, and a boss portion is formed on the inner surface so as to correspond to the insertion hole, and insertion of the first case A rotating member that is rotatably installed inside the hole and has slots formed on both sides so as to correspond to the terminal receiving grooves, and a boss portion of the second case that is connected to the printed circuit board. A connecting plate and a plug terminal assembly that is rotatably installed on the rotating member, one end of which contacts the connecting plate, and the other end penetrates the insertion hole of the first case and is exposed to the outside of the first case. And a solid structure. That.

  The plug terminal assembly includes each terminal inserted through each slot of the rotating member, an insulating shaft that connects the terminals and is rotatably locked in the shaft groove of the rotating member, It is characterized by comprising.

  It is preferable that a groove is formed in the middle of the shaft, and a protrusion is formed on the rotating member so as to correspond to the groove.

  A first connection protrusion is formed at the tip of each terminal, and a second connection protrusion is formed on the connection plate so as to correspond to the first connection protrusion.

  A locking groove is formed on the inner surface of the first case adjacent to the insertion hole so as to limit the rotation angle of the rotation member, and a stopper is provided on the outer peripheral surface of the rotation member so as to correspond to the locking groove. Is preferably formed.

  In a power supply coupling apparatus according to another embodiment of the present invention, a first case in which an insertion hole is formed in the middle and a plurality of terminal receiving grooves are formed in an inner periphery of the insertion hole, and the first case A second case that is coupled to the case to form an accommodating space therein, and an annular boss projectingly projects from the inner surface so as to correspond to the insertion hole; and an insertion hole in the first case. A rotating member that is rotatably installed and has slots formed on both sides so as to correspond to each terminal receiving groove, and a connection plate that is installed on both sides of the boss portion of the second case so as to be connected to the printed circuit board And a plug terminal assembly that is sandwiched between rotating members, one end of which contacts the connecting plate, and the other end passes through the insertion hole of the first case and is exposed to the outside of the first case; The plug terminal assembly can be rotatably supported Characterized in that it is configured to include a terminal support member installed within the boss portion, to.

  Further, the plug terminal assembly is characterized by comprising terminals inserted through the slots of the rotating member and shafts of insulators connecting the terminals.

  Further, a first connection protrusion is formed at the tip of each terminal, and a second connection protrusion is formed on the connection plate so as to correspond to the first connection protrusion.

  Further, a shaft is formed at the center of the boss portion, a shaft hole is formed at the center of the terminal support portion so as to correspond to the shaft, and the shaft of the plug terminal assembly is formed on both sides of the terminal support portion. A fastening ring to be fastened is formed.

  In addition, in the unfolded state of the plug terminal assembly, the tip of each terminal passes through the insertion hole of the first case and is exposed to the outside of the first case, and in the folded state of the plug terminal assembly, The tip of the terminal is inserted into the terminal receiving groove of the first case.

  In addition, a locking groove is formed on the inner surface of the first case adjacent to the insertion hole so as to limit the rotation angle of the rotation member, and on the outer peripheral surface of the rotation member so as to correspond to the locking groove. A stopper is preferably formed.

  In the folded state of the plug terminal assembly, each slot of the rotating member and each terminal receiving groove of the first case are aligned in a straight line by rotating the rotating member.

  Further, the boss portion is formed with a support portion for supporting the unfolded state of the plug terminal assembly.

In order to achieve the above object, the present invention provides, for example, the following means.
(Item 1)
A first case in which an insertion hole is formed in the middle and a plurality of terminal receiving grooves are formed to extend on the inner periphery of the insertion hole;
A second case that is coupled to the first case to form a housing space therein, and has a boss protruding from the inner surface so as to correspond to the insertion hole;
A rotating member that is rotatably installed in the insertion hole of the first case and has slots formed on both sides so as to correspond to the terminal receiving grooves;
A connection plate installed on the boss of the second case so as to be connected to the printed circuit board;
A plug terminal set that is rotatably installed on the rotating member, has one end contacting the connection plate, and the other end penetrating the insertion hole of the first case and exposed to the outside of the first case. A power supply coupling device comprising a solid body.
(Item 2)
The power connection device according to item 1, wherein a finger insertion groove is formed in the terminal receiving groove.
(Item 3)
The plug terminal assembly includes terminals inserted through the slots of the rotating member;
The power supply coupling device according to item 1, further comprising: an insulating shaft that connects each terminal and is pivotally locked in the shaft groove of the rotating member.
(Item 4)
The power supply coupling device according to item 3, wherein a groove is formed in the middle of the shaft, and a protrusion is formed on the rotating member so as to correspond to the groove.
(Item 5)
The power connection device according to claim 3, wherein a first connection protrusion is formed at a tip of each terminal, and a second connection protrusion is formed on the connection plate so as to correspond to the first connection protrusion. .
(Item 6)
6. The power connection device according to claim 5, wherein the first connection protrusion of the terminal contacts the second connection protrusion in an unfolded state of the plug terminal assembly.
(Item 7)
In the unfolded state of the plug terminal assembly, the tip of the terminal penetrates the insertion hole of the first case and is exposed to the outside of the first case, and in the folded state of the plug terminal assembly, 6. The power connection device according to claim 5, wherein a tip end of the terminal is inserted into the terminal receiving groove of the first case.
(Item 8)
A locking groove is formed on the inner surface of the first case adjacent to the insertion hole so as to limit the rotation angle of the rotation member, and the rotation member is arranged so as to correspond to the locking groove. The power supply coupling device according to item 1, wherein a stopper is formed on the outer peripheral surface.
(Item 9)
The power connection device according to item 1, wherein a flange is formed on an outer periphery of the rotating member.
(Item 10)
2. The power source according to claim 1, wherein in the folded state of the plug terminal assembly, each slot of the rotating member and each terminal receiving groove of the first case are aligned in a straight line by rotating the rotating member. Connecting device.
(Item 11)
A first case in which an insertion hole is formed in the middle and a plurality of terminal receiving grooves are formed to extend on the inner periphery of the insertion hole;
A second case coupled with the first case to form an accommodating space therein, and an annular boss projectingly formed on the inner surface so as to correspond to the insertion hole;
A rotating member that is rotatably installed in the insertion hole of the first case and has slots formed on both sides so as to correspond to the terminal receiving grooves;
A connection plate installed on both sides of the boss portion of the second case so as to be connected to the printed circuit board;
A plug terminal set that is inserted into the rotating member and has one end in contact with the connection plate and the other end penetrating the insertion hole of the first case and exposed to the outside of the first case. Solid,
And a terminal support member installed inside the boss so as to rotatably support the plug terminal assembly.
(Item 12)
12. The power connection device according to item 11, wherein a finger insertion groove is formed in the terminal receiving groove.
(Item 13)
The plug terminal assembly is
Each terminal inserted through each slot of the rotating member;
12. The power source coupling device according to item 11, comprising an insulator shaft coupling each terminal.
(Item 14)
14. The power connection according to claim 13, wherein a first connection protrusion is formed at a tip of each terminal, and a second connection protrusion is formed on the connection plate so as to correspond to the first connection protrusion. apparatus.
(Item 15)
The power connection device according to item 14, wherein the first connection protrusion of the terminal contacts the second connection protrusion in an unfolded state of the plug terminal assembly.
(Item 16)
A shaft is formed at the center of the boss portion, a shaft hole is formed at the center of the terminal support member so as to correspond to the shaft, and the plug terminal assembly is formed on both sides of the terminal support member. 12. The power coupling device according to item 11, wherein a fastening ring to which the shaft is fastened is formed.
(Item 17)
In the unfolded state of the plug terminal assembly, the tip of the terminal penetrates the insertion hole of the first case and is exposed to the outside of the first case, and in the folded state of the plug terminal assembly, 12. The power connection device according to item 11, wherein a tip of the terminal is inserted into the terminal receiving groove of the first case.
(Item 18)
A locking groove is formed on the inner surface of the first case adjacent to the insertion hole so as to limit the rotation angle of the rotation member, and the outer periphery of the rotation member corresponds to the locking groove. 12. The power connection device according to item 11, wherein a stopper is formed on the surface.
(Item 19)
12. The power source according to claim 11, wherein in the folded state of the plug terminal assembly, each slot of the rotating member and each terminal receiving groove of the first case are aligned in a straight line by rotating the rotating member. Connecting device.
(Item 20)
12. The power connection device according to claim 11, wherein a support portion that supports an unfolded state of the plug terminal assembly is formed on the boss portion.

  In the power supply coupling apparatus according to the present invention, the folding and unfolding operation of the plug terminal is simple and the unfolded state of the plug terminal is firmly maintained, so that it is convenient to use and improves the reliability of the product. There is an effect of obtaining.

  Hereinafter, a preferred embodiment of a power supply coupling device according to the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a power supply coupling apparatus according to the first embodiment of the present invention, FIG. 2 is an exploded perspective view showing the power supply coupling apparatus according to the first embodiment of the present invention, and FIG. FIG. 4 is a cross-sectional view taken along the line II of FIG. 1, and FIG. 4 is an enlarged perspective view showing a folded / unfolded state of the plug terminal assembly in the power coupling device according to the first embodiment of the present invention.

  In the power supply coupling device 100 according to the embodiment of the present invention, as shown in FIGS. 1 to 4, an insertion hole 111 is formed in the middle, and a plurality of terminal receiving grooves 112 are formed in the inner periphery of the insertion hole 111. The first case 110 is formed to be extended, and the first case 110 is coupled to form a receiving space 121 therein, and a boss portion 122 projects from the inner surface so as to correspond to the insertion hole 111. A second case 120; and a rotating member 130 that is rotatably installed in the insertion hole 111 of the first case 110 and has slots 131 formed on both sides so as to correspond to the terminal receiving grooves 112. The connection plate 140 is installed on the boss portion 122 of the second case 120 so as to be connected to the printed circuit board 160, and the rotation member 130 is rotatably installed. In contact with the 0, the other end is configured to include a, a plug terminal assembly 150 that is exposed to the outside of the first case 110 through the insertion holes 111 of the first case 110.

  It is preferable that a finger insertion groove 113 is formed in the terminal receiving groove 111 so that a user can conveniently perform the folding or unfolding operation of the plug terminal assembly 150. Here, the width of the finger insertion groove 113 is preferably set to a diameter that allows a user's finger to enter, for example, about 10 mm.

  The structure of the rotating member 130 will be described. The rotating member 130 is attached to the outer periphery of the rotating member 130 so as not to come out of the first case 110 while being inserted into the insertion hole 111. Is formed with a flange 133.

  When the user rotates the rotating member 130 for the folding or unfolding operation of the plug terminal assembly 150, the rotating angle of the rotating member 130 can be limited, that is, the rotating member 130. A locking groove 114 is formed on the inner surface of the first case 110 adjacent to the insertion hole 111 so that the rotation member 130 can be rotated by a predetermined angle. A stopper 134 is formed on the outer peripheral surface.

  The plug terminal assembly 150 includes a first terminal 151 and a second terminal 152 which are two terminals inserted through the slots 131 of the rotating member 130, and the first terminal 151 and the second terminal 152. It comprises an insulator shaft 153 that is connected to the terminal 152 and is rotatably locked in the shaft groove 132 of the rotating member 130.

  A groove 154 is formed in the middle of the shaft 153, and a protrusion 155 is formed on the rotating member 130 so as to correspond to the groove 154. Here, the groove 154 and the protrusion 155 locked to the groove 154 are locked in the unfolded state of the plug terminal assembly 150, so that the plug terminal assembly 150 is It plays a role of maintaining a firmly unfolded state without shaking.

  In addition, a first connection protrusion 156 is formed at the tip of the first terminal 151 and the second terminal 152, and a second connection protrusion 141 is formed on the connection plate 140 so as to correspond to the first connection protrusion 156. ing.

  In addition, when the plug terminal assembly 150 is unfolded, the first connection protrusion 156 of the first terminal 151 and the second terminal 152 is in contact with the second connection protrusion 141, and the plug terminal assembly 150 The leading ends of the first terminal 151 and the second terminal 152 pass through the insertion hole 111 of the first case 110 and are exposed to the outside of the first case 110.

  On the other hand, in the folded state of the plug terminal assembly 150, the first connection protrusion 156 of the first terminal 151 and the second terminal 152 is not in contact with the second connection protrusion 141, and the first terminal 151 and the second terminal The leading end of 152 is inserted into the terminal receiving groove 112 of the first case 110.

  Further, when the user rotates the rotating member 130, each slot 131 of the rotating member 130 and each terminal receiving groove 112 of the first case 110 are selectively aligned in a straight line. The plug terminal assembly 150 can be folded.

  Hereinafter, the operation of the power coupling device according to the first embodiment of the present invention will be described with reference to FIGS.

  FIG. 4 is a diagram showing a folded / unfolded state of the plug in the power connection device according to the first embodiment of the present invention. As shown by a virtual line, the folded state of the plug terminal assembly 150 is shown in FIG. In order to unfold the plug terminal assembly 150, first, the user puts a finger into the finger insertion hole 113 and warps the first terminal 151 upward. At this time, since the shaft 153 is rotatably engaged with the shaft groove 132 of the rotating member 130, the plug terminal assembly 150 rotates about the shaft 153. Then, at the moment when the plug terminal assembly 150 is completely rotated, the protrusion 155 is locked in the groove 154, and the unfolded state of the plug terminal assembly 150 is firmly maintained.

  Next, when the user grasps the plug terminal assembly 150 and rotates it clockwise as shown in FIG. 4, the rotating member 130 rotates in that direction. At this time, the position of the slot 131 of the rotating member 130 is shifted with respect to the terminal receiving groove 112 of the first case 110. At the same time, the state where the first contact protrusion 153 is in contact with the second contact protrusion 141 is maintained.

  Thus, in a state where the plug terminal assembly 150 is unfolded, the support portion 122a supports the plug terminal assembly 150, and the unfolded state of the plug terminal assembly 150 is firmly maintained.

  On the other hand, as shown by a solid line in FIG. 4, in order to fold the plug terminal assembly 150 in the unfolded state of the plug terminal assembly 150, first, the user must When the solid 150 is grasped and rotated counterclockwise as shown in FIG. 6, the rotating member 130 rotates in the opposite direction. At this time, the slots 131 of the rotating member 130 are aligned with the terminal receiving grooves 113 of the first case 110. At the same time, the first contact protrusion 153 is maintained in a non-contact state with the second contact protrusion 141.

  In this state, when the user pushes down the first terminal 151 or the second terminal 152, the shaft 153 is rotatably locked in the shaft groove 132 of the rotating member 130 at this time. The plug terminal assembly 150 rotates about the shaft 153. Next, when the plug terminal assembly 150 is completely rotated, the first terminal 151 or the second terminal 152 is received in the terminal receiving groove 113.

  Meanwhile, a power supply coupling device according to another embodiment of the present invention will be described below.

  FIG. 5 is a perspective view showing a power connection device according to another embodiment of the present invention, FIG. 6 is an exploded perspective view showing a power connection device according to another embodiment of the present invention, and FIG. FIG. 8 is a cross-sectional view taken along the line II-II of FIG. 5, and FIG. 8 is an enlarged perspective view showing the folded / unfolded state of the plug terminal assembly in the power supply coupling apparatus according to another embodiment of the present invention.

  In the power supply coupling device 200 according to another embodiment of the present invention, as shown in FIGS. 5 to 8, an insertion hole 211 is formed in the middle, and a plurality of terminal receiving grooves are formed in the inner periphery of the insertion hole 211. A first case 210 formed by extending 213, and coupled to the first case 210, a housing space 221 is formed therein, and an annular boss portion 222 is formed on the inner surface so as to correspond to the insertion hole 211. A second case 220, and a rotating member 230 that is rotatably installed in the insertion hole 211 of the first case 210 and has slots 231 formed on both sides thereof so as to correspond to the terminal receiving grooves 213. The connecting plate 240 is installed on both sides of the boss 222 of the second case 220 so as to be connected to the printed circuit board 260, and is inserted into the rotating member 230. A plug terminal assembly 250 that contacts the connecting plate 240 and has the other end passing through the insertion hole 211 of the first case 210 and exposed to the outside of the first case 210, and the plug terminal assembly 250 being rotatable. And a terminal support member 270 installed in the boss portion 222 so as to be supported.

  It is preferable that a finger insertion groove 213 is formed in the terminal receiving groove 211 so that a user can conveniently fold or unfold the plug terminal assembly 250.

  Hereinafter, the structure of the rotating member 230 will be described. In the state where the rotating member 230 is inserted into the insertion hole 211, the rotating member 230 is arranged on the outer periphery of the rotating member 230 so as not to come out of the first case 210. A flange 233 is formed.

  When the user rotates the rotating member 230 for the folding or unfolding operation of the plug terminal assembly 230, the rotating angle of the rotating member 230 can be limited, that is, the rotating member. A locking groove 214 is formed on the inner surface of the first case 210 adjacent to the insertion hole 211 so that the rotation hole 230 can be rotated by a predetermined angle, and the rotating member 230 is aligned with the locking groove 214. A stopper 234 is formed on the outer peripheral surface.

  The plug terminal assembly 250 includes a first terminal 251 and a second terminal 252, which are two terminals inserted through the slots 231 of the rotating member 230, and the first terminal 251 and the second terminal 252. And an insulating shaft 253 for connecting the terminal 252.

  Connection protrusions 256 are formed at the tips of the first terminal 251 and the second terminal 252, and a number of connection grooves 241 are formed in the connection plate 240 so as to correspond to the connection protrusions 256.

  In addition, when the plug terminal assembly 250 is unfolded, the connection protrusions 256 of the first terminal 251 and the second terminal 252 elastically contact the connection groove 241, and the first of the plug terminal assembly 250 The distal ends of the terminal 251 and the second terminal 252 pass through the insertion hole 211 of the first case 210 and are exposed to the outside of the first case 210.

  On the other hand, in the folded state of the plug terminal assembly 250, the connection protrusions 256 of the first terminal 251 and the second terminal 252 are not in contact with the connection groove 241, and the tip portions of the first terminal 251 and the second terminal 252 are connected. Is inserted into the terminal receiving groove 212 of the first case 210.

  When the user rotates the rotating member 230, the slots 231 of the rotating member 230 and the terminal receiving grooves 212 of the first case 210 are selectively aligned in a straight line. At this time, the plug terminals The assembly 250 can be folded.

  Also, a shaft 222a is formed at the center of the boss portion 222, a shaft hole 271 is formed at the center of the terminal support member 270 so as to correspond to the shaft 222a, and both sides of the terminal support member 270 are A fastening ring 272 to which the shaft 253 of the plug terminal assembly 250 is fastened is formed. The boss portion 222 is formed with a support portion 222b that supports the unfolded state of the plug terminal assembly 250.

  Hereinafter, the operation of the power connection apparatus according to another embodiment of the present invention will be described with reference to FIGS.

  FIG. 8 is a view showing a folded / unfolded state of a plug in a power connection apparatus according to another embodiment of the present invention, and the plug terminal assembly in a folded state of the plug as indicated by a virtual line. In order to unfold 250, the user first puts a finger into the finger insertion hole 213 and warps the first terminal 251 upward. At this time, since the shaft 253 is rotatably fastened to the fastening ring 272 of the terminal support member 270, the plug terminal assembly 250 rotates about the shaft 253.

  Next, when the user grasps the plug terminal assembly 250 and rotates it clockwise as shown in FIG. 8, the rotating member 230 and the terminal support member 270 rotate in that direction. At this time, the position of the slot 231 of the rotating member 230 is shifted with respect to the terminal receiving groove 213 of the first case 210. At the same time, the contact protrusion 256 is maintained in a state of being elastically contacted with the contact groove 241. Here, the support part 222 b and the contact groove 241 formed on the boss part 222 serve to firmly maintain the unfolded state of the plug terminal assembly 250.

  On the other hand, as shown by the solid line in FIG. 8, in order to fold the plug terminal assembly 250 in the unfolded state of the plug terminal assembly 250, first, the user must When the solid 250 is grasped and rotated counterclockwise as shown in FIG. 8, the rotating member 230 is rotated in that direction. At this time, the slot 231 of the rotating member 230 is aligned with the terminal receiving groove 212 of the first case 210. At the same time, the contact protrusion 256 is maintained in a non-contact state with the contact groove 241.

  In this state, when the user pushes down the first terminal 251 or the second terminal 252, the shaft 253 is rotatably fastened to the fastening ring 272 of the terminal support member 270. The plug terminal assembly 270 rotates about the shaft 253.

  Next, when the plug terminal assembly 270 is completely rotated, the first terminal 251 or the second terminal 252 is received in the terminal receiving groove 212. Next, the first terminal 251 or the second terminal 252 is accommodated in the terminal accommodating groove 212, so that the power supply device 200 can be stored and carried more easily and easily.

  As mentioned above, although this invention has been illustrated using preferable embodiment of this invention, this invention should not be limited and limited to this embodiment. It is understood that the scope of the present invention should be construed only by the claims. It is understood that those skilled in the art can implement an equivalent range based on the description of the present invention and the common general technical knowledge from the description of specific preferred embodiments of the present invention.

  Provided is a power supply coupling device that not only has a simple and convenient operation for folding and unfolding a plug terminal, but also can maintain the unfolded state of the plug terminal firmly and improve the reliability of the product.

  In the power supply coupling device according to the present invention, an insertion hole is formed in the middle, and a plurality of terminal receiving grooves are formed in the inner periphery of the insertion hole, and the first case is coupled to the first case. A second case in which a housing space is formed therein, and a boss portion is formed to protrude on the inner surface so as to correspond to the insertion hole, and is rotatably installed in the insertion hole of the first case. A rotating member having slots formed on both sides to correspond to the terminal receiving groove, a connection plate installed on a boss portion of the second case so as to be connected to the printed circuit board, and rotating to the rotating member And a plug terminal assembly that has one end contacting the connection plate and the other end penetrating the insertion hole of the first case and exposed to the outside of the first case. It is characterized by being.

It is the perspective view which showed the power supply coupling device which concerns on 1st embodiment of this invention. It is the isolation | separation perspective view which showed the power supply coupling device which concerns on 1st embodiment of this invention. It is the II sectional view taken on the line of FIG. FIG. 3 is an enlarged perspective view showing a folded / unfolded state of the plug terminal assembly in the power coupling device according to the first embodiment of the present invention. It is the perspective view which showed the power supply coupling device which concerns on other embodiment of this invention. It is the isolation | separation perspective view which showed the power supply coupling device which concerns on other embodiment of this invention. It is the II-II sectional view taken on the line of FIG. FIG. 6 is an enlarged perspective view showing a folded / unfolded state of a plug terminal assembly in a power supply coupling apparatus according to another embodiment of the present invention. It is the perspective view which showed the conventional power supply coupling device. It is the longitudinal cross-sectional view which showed the conventional power supply coupling device.

Explanation of symbols

110: first case 111: insertion hole 112: terminal receiving groove 114: locking groove 120: second case 121: receiving space 122: boss part 130: rotating member 131: slot 133: flange 134: stopper 140: connecting plate 150: plug terminal assembly 151: first terminal 152: second terminal 153: shaft 154: groove 155: protrusion 160: printed circuit board

Claims (14)

A device for connecting a power source to an electronic device,
The device
A first case having an insertion opening and a plurality of terminal receiving grooves extending outward from the inner periphery of the insertion opening ;
And a second case that will be coupled to the first casing so as to form a housing space,
A rotary member rotatably inserted into the insertion opening, the slot having a slot formed on at least one surface, the slot being in position when the rotary member is in place; A rotating member that can be aligned with the terminal receiving groove of the first case, but can be misaligned with the terminal receiving groove when the rotating member is rotated away from the predetermined position ;
A plug terminal assembly installed on the rotating member, wherein the plug terminal assembly is positioned substantially vertically upward with respect to the upper surface of the first case in the first state, and the plug terminal assembly is In the second state, the first end of the plug terminal assembly is positioned in the slot and the terminal receiving groove when the rotating member is oriented in the first direction at a predetermined angle. A plug terminal assembly which is placed in a substantially horizontal position with respect to the upper surface of the case ;
An apparatus comprising: The plug terminal assembly includes a first terminal and a second terminal, wherein in the first state, the first terminal is electrically connected to the power supply, equipment according to claim 1. The second case further includes a boss portion extending upward from the inner surface of the second case with respect to the insertion opening, and the boss and the insertion opening are co-centric. equipment according to claim 1. Further comprising a connection plate installed in the boss portion, equipment according to claim 3. Wherein at least the finger insertion groove in proximity to one of the terminal receiving grooves are formed, equipment according to claim 1. The plug terminal assembly is
At least two elongated electrical terminals, each of the at least two elongated electrical terminals having a terminal end that can be seated in a slot of the rotating member in the second state; An elongated electrical terminal;
A shaft connecting the at least two elongated electrical terminals, the shaft rotatably inserted into a shaft groove of the rotating member;
Comprises, equipment according to claim 1. A groove is formed in the vicinity of the central portion of the shaft,
By protrusions are formed on the rotary member to correspond to the groove, the stop portion for preventing further rotation of the rotary member is provided, equipment of claim 6. A boss portion disposed inside the second case;
A connection plate installed on the boss,
A first connection protrusion formed at a first end of each of the at least two elongated electrical terminals and opposite to the terminal end;
A second connection protrusion corresponding to the first connection protrusion of each of the at least two elongated electrical terminals, the second connection protrusion formed on each of the connection plates;
Further comprising, equipment of claim 6. The first connection protrusion of each of the at least two elongated electrical terminals comes into contact with the second connection protrusion of each of the connection plates when the plug terminal assembly is in the first state. equipment according to item 8. If the plug terminal assembly is in said second state, said each of the at least two elongated electric terminals, said first partially fall into the case the insertion opening of equipment according to claim 8. The first case is
A stop groove formed in the first case in the vicinity of the insertion opening;
A stopper formed on the outer peripheral surface of the rotating member so as to limit an angle of rotation of the rotating member by corresponding to the stop groove;
The apparatus of claim 1, further comprising: The apparatus of claim 1, further comprising a flange formed around an outer peripheral surface of the rotating member. The apparatus according to claim 1, further comprising a boss extending from the inside of the second case so as to correspond to the insertion opening. The apparatus according to claim 13, further comprising a terminal support member installed in the boss portion, the terminal support member rotatably supporting the plug terminal assembly.

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